Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chinh » thien chinh, te chinh, che chinh
trung chap » trung cap, tranh chap, trung phan
trung ha » trung hoc, trung tam, trung cap
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than tap » toan tap, han tap, phan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chinh sach - hanh ((trung chap) or (trung ha)) thuong cong ban than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - hanh ((trung chap) OR (trung ha)) thuong cong ban than tap.
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - hanh ((trung chap) or (trung ha)) thuong cong ban than tap*.